Keithley Instruments 220Programmable Current Source

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Key Features & Specifications

IEEE-488 bus standard

100 location program memory

Programmable dwell time - 3 ms to 999.9 s

Description

The Model 220 Current Source is an economical, programmable solution for precision sourcing of DC current. Constant current sources are needed when a device or material is best characterized by controlling the current through it, rather than the voltage across it. Examples are biasing transistor gates with fixed current, making hall effect measurements, and measuring low and high resistances. The Model 220 provides high accuracy and low noise in measurements where currents between IpA and 100mA are required and programmability is needed.